Re: [patch 21/21] slab defrag: Obsolete SLAB

Vegard Nossum
2008-05-15T18:29:41Z

On Thu, May 15, 2008 at 7:49 PM, Matthew Wilcox <matthew@wil.cx> wrote:
> On Thu, May 15, 2008 at 10:05:35AM -0700, Christoph Lameter wrote:
>> Thanks for using the slab statistics. I wish I had these numbers for the
>> TPC benchmark. That would allow us to understand what is going on while it
>> is running.
>
> Hang on, you want slab statistics for the TPC run? You didn't tell me
> that. We're trying to gather oprofile data (and having trouble because
> the machine crashes when we start using oprofile -- this is with the git
> tree you/pekka put together for us to test).

Hi,

oprofile was recently fixed, maybe try cherry-picking these will help:

http://git.kernel.org/?p=linux/kernel/git/smurf/linux-trees.git;a=commit;h=7ded2dcf5f2c30889d7ac743ed64fff272ec190d
http://git.kernel.org/?p=linux/kernel/git/smurf/linux-trees.git;a=commit;h=08bc5caced1f322255f44880529a651e204a38eb
http://git.kernel.org/?p=linux/kernel/git/smurf/linux-trees.git;a=commit;h=2b56af59ed24d25be0282de9ae98c290e03a7dd9

Vegard

--
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036